{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-106078", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-10-06T15:00:00.655Z", "datePublished": "2026-10-27T16:16:58.925Z", "dateUpdated": "2026-10-27T16:16:58.925Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "A vulnerability allowing an unauthenticated attacker to bypass REST API authentication with a forged federation token and receive responses from REST API endpoints that do not call the Veeam Backup for Microsoft 365 backup service."}], "affected": [{"defaultStatus": "unaffected", "vendor": "Veeam", "product": "Backup for Microsoft 365", "versions": [{"version": "8.0", "status": "affected", "lessThanOrEqual": "8.6.0.1102", "versionType": "semver"}]}], "references": [{"url": "https://www.veeam.com/kb4957"}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "baseScore": 6.9, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-347", "description": "CWE-347 Improper Verification of Cryptographic Signature"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-10-27T16:16:58.925Z"}}}}

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